VLRK31R1S2-GS08

Current - Test:	20mA
Base Part Number:	VLRK31
Height (Max):	2.10mm
Size / Dimension:	3.20mm L x 2.80mm W
Supplier Device Package:	SMD
Package / Case:	2-SMD, Z-Bend
Features:	--
Wavelength - Peak:	643nm
Wavelength - Dominant:	630nm
Mounting Type:	Surface Mount
Viewing Angle:	120°
Series:	--
Voltage - Forward (Vf) (Typ):	2.1V
Lens Style/Size:	Round with Flat Top, 2.40mm
Millicandela Rating:	199mcd
Lens Transparency:	Clear
Lens Color:	--
Color:	Red
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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LED Indication- Discrete

LED Indication- Discrete is a common feature used by electronic devices to alert the user and provide visual feedback. The most popular example is probably via the power or activity LEDs of a cellular phone. This application field can also be extremely useful in industrial applications such as PLCs, instrumentation, or motor control systems as well.The VLRK31R1S2-GS08 is a highly versatile and robust discrete LED indication product available from Vishay Intertechnology. This device is a 5 mm (0.19”) T-1 3/4 tower LED that offers an extremely wide range of mounting, color, and current carrying options, making it very versatile for a wide variety of applications.

Product Specifications

The VLRK31R1S2-GS08 has various different options when it comes to specifications. It is available in 4 different colors – red, green, yellow, and blue – and can carry currents from 5 to 100 mA. It is rated for operation from −40°C to +125°C and has a typical junction-to-case thermal resistance of 8.9°C/W. The package dimensions are 12.8 x 5.3 x 3.2 mm (0.50” x 0.21” x 0.125”).

Working Principle

The VLRK31R1S2-GS08 uses a semiconductor diode to produce light when the proper voltage and current are applied. A diode is a two-terminal electronic component that is most commonly used as a one-way valve for electric current to pass through. By attaching two contacts to a semiconductor junction that also contains two or more layers of crystalline material, it creates a diode with negative resistance characteristics.When an electrical current is applied to the diode, it begins to conduct electricity and electrons from the n-type crystalline layer to the p-type layer, releasing energy in the form of photons (light) as well. This is known as electron-hole recombination, and it is what gives the diode its primary function as a light emitter.The amount of light emitted by the diode largely depends on the amount of current allowed to pass through it. The VLRK31R1S2-GS08 has a wide range of current ratings so it can be used in a variety of applications from low-powered indicator lights to higher-powered headlamps.

Applications

The wide range of available colors and operating temperature options makes the VLRK31R1S2-GS08 an ideal solution for a variety of applications. Some of the most common applications for this device are indicator lights for automotive and industrial applications, backlighting for switches, and power status LEDs for computers, laptops, and servers.The VLRK31R1S2-GS08 is also an ideal choice for emergency lights because of its high brightness, wide operating temperature range, and shock resistance ratings. It can also be used in custom projects and display lighting, adding a unique design element to any system.

Conclusion

The VLRK31R1S2-GS08 is an incredibly versatile and robust discrete LED indication product, offering a wide range of color, mounting, and current carrying options. It is ideal for applications ranging from indicator lights and backlighting to emergency lighting and custom designs. The device’s working principle relies on semiconductor diode technology, which allows current to be conducted and released as photons of light, providing the LED indication feature.

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